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CopperCrossoverTrunk
SerialFiber
Wireless
UP
DOWN
WARNING · STP blocked
Dashed border: inferred
packet-tracer · 8 devices · 7 links · A 2911 router routes between VLANs 10, 20 and 30 with subinterfaces and serves DHCP. Two 2960 switches joined by an 802.1Q trunk. VLAN 99 for management and unused native VLAN 999.